Program development

Starting with a research-proven approach

The curriculum developers at the Lawrence Hall of Science leveraged their literacy-rich, multimodal learning approach of Do, Talk, Read, Write. This approach, which was used in the Hall’s successful Seeds of Science/ Roots of Reading® program, has been extensively assessed by outside evaluators from the National Center for Research on Evaluation, Standards, and Student Testing (CRESST) at the University of California, Los Angeles, 2005; by Mark Girod at Western Oregon University, 2005; and by David Hanauer at Indiana University of Pennsylvania, 2005. A total of three gold standard studies were conducted on the Seeds of Science/Roots of Reading® approach, in each case using content-comparable, business-as-usual comparison groups. Looking across these three studies at the results of students’ gains in science understanding, students using the Do, Talk, Read, Write approach (i.e. Seeds of Science/Roots of Reading®) consistently outperformed students in the comparison groups on measures of science content knowledge. Some example findings from these evaluations include the following:

Independent Evaluators from the Center for Research on Evaluation, Standards, and Student Testing (CRESST) at University of California, Los Angeles found that second- and third-grade students receiving Do, Talk, Read, Write instruction (via Seeds of Science/Roots of Reading®) significantly outperformed students receiving their usual science instruction in Reading Comprehension, Science Vocabulary, and Science Content Knowledge.

English language learners who experienced Do, Talk, Read, Write instruction (via Seeds of Science/Roots of Reading®) significantly outperformed other English language learners in reading comprehension, science vocabulary, and science content knowledge.

Knowing that Do, Talk, Read, Write was benefiting students, the Lawrence Hall of Science curriculum developers decided to use the approach in their new curriculum, but with the enhancement of adding “Visualize,” which would allow students to learn the practice of modeling and observe scientific phenomena in ways never before possible.

Pilot testing and revisions

In addition to consulting disciplinary experts as they developed each unit, the Lawrence Hall of Science also worked with students and teachers in and around the San Francisco Bay Area. The developmental pilot tests that the Hall carried out in these classrooms enabled them to collect data and feedback from real teachers and students; to gauge the level of student engagement in the lessons; and to consider lesson length in the context of an actual classroom. Using this valuable information, the team further revised lessons, refining them over time so that they would serve the learning goals and targeted standards of the respective unit, fit within a 45–60 minute class session (depending on the grade), and be authentically three-dimensional and engaging.